Miracast is an industry standard created by the Wi-Fi Alliance* association, and is incorporated into Microsoft Windows 8.1* operating system. Devices that are Wi-Fi Certified Miracast* enable easy content streaming between devices, such as a laptop to TV, or a laptop to a projector.

If you have not yet set up a wireless external display, see "How do I initially set up a wireless external screen in Windows 8.1?" above. Once set up is complete, you can watch this video for instructions, or follow these steps:

Open the Charms menu of Windows 8.1 by swiping the right side of the screen.